| Year | Nationality | Name | Length | Designer | Builder | Origins | Active Fleets | Notes |
| 1886 | GBR | Water Wag | 13 ft 0 in (3.96 m) | Thomas B. Middleton of Shankill Corinthinan Sailing Club | Note: 1900 change to 14ft3ins by James (or Maimie) Doyle from Kingstown | 44 | c/o Royal Irish Yacht Club | |
| 1898 | GBR | Seabird Half Rater | 20 ft 0 in (6.10 m) | Mr. Herbert Baggs and Mr. W. Scott Hayward | Lathoms of Hesketh Bank | West Lancs Yacht Club | Wallasey Yacht Club, South Caernarvonshire Yacht Club, Treaddur Bay Sailing Club | Source[1] |
| 1906 | GBR | West Kirby Star | 16 ft 9 in (5.11 m) | George Cockshott | 1st 8: Latham of Crossens | West Lancs Yacht Club | West Kirby Sailing Club | |
| 1911 | GBR | Thames Estuary One Design (TEOD) | 18 ft 0 in (5.49 m) | Morgan Giles | | Alexandra YC Southend on Sea & Essex YC Leigh on Sea | | Gunter Rig [2] |
| 1911 | GBR | Yarmouth One Design Class | 20 ft 10.5 in (6.363 m) | Henry Longmore | Theo Smith, Yarmouth, and two by Woodnutts, St. Helens | Solent Yacht Club | Royal Solent Yacht Club, Yarmouth, Isle of Wight | 13 built. originally gaff rigged, adopted Bermudian rig in 1936[3] |
| 1912 | GBR | International 12 foot dinghy | 12 ft 0 in (3.66 m) | George Cockshott | | | Netherlands, Italy and Japan | first one-design racing dinghy to gain international recognition |
| 1913 | GBR | Hamble One Design | 18 ft 0 in (5.49 m) | A R Luke | Luke & Co (Hamble) | Hamble River Sailing Club | Not Active | [4] |
| 1919 | GBR | 18 foot dinghy | 24 ft 6 in (7.47 m) | G.L. Watson & Co. | | | | used in the 1920 Summer Olympics as a double handed Olympic class; 18 ft LWL |
| 1919 | GBR | Essex One Design (EOD) | 18 ft 0 in (5.49 m) | Morgan Giles | Cole and Wiggins, Leigh on Sea | Essex YC Leigh on Sea | | Bermudan Rig [2] |
| 1920's | USA | Snowbird (sailboat) | 15 ft 6 in (4.72 m) | plans from Rudder magazine (1921) | Tom Broadway, G.V. Johnson | | | The Snowbird was the Olympic Monotype Class for the 1932 Olympics. See Newport Harbor Nautical Museum, California |
| 1920 | IRL | Shannon-One-Design | 18 ft 0 in (5.49 m) | F.C. Morgan-Giles | Walter Levinge of Creaghduff, Coosan, Kineavy, Ward, Jimmy Furey, Peter Quigley, Eric Goodbody, Liam Maloney, Edwin Brennan, Doughal McMahon, J Jones, Cathy MacAleavy | Lough Ree, Derg & North Shannon Yacht Clubs | Lough Ree & Lough Derg Yacht Clubs, | Gunter Rig, Designed for use on the river Shannon and her lakes www.soda.ie |
| 1921 | FRA | French National Monotype 1924 | 16 ft 0 in (4.88 m) | Gaston Grenier | | | | used in 1924 Olympics |
| 1923 | GBR | St Mawes One Design | 18 ft 0 in (5.49 m) | William Francis Peters | 45 | | Active[5] | [6] Note: Ballasted Centreplate Dayboat |
| 1923 | NZL | P-class yacht | 7 ft 7 in (2.31 m) | Harry Highet | | | | Originally at Onerahi then Tauranga |
| 1926 | GBR | Hamble Star | 14 ft 0 in (4.27 m) | A R Luke | | | | Active[7] |
| 1927 | GBR | Brightlingsea One Design | 0 ft 0 in (0 m) | Robbie Stone | Stone Shipyard | | | Active[8] |
| 1931 | GBR | Sea View One-Design | 12 ft 0 in (3.66 m) | | V.A. Warren & Son | Sea View Yacht Club | Active at Sea View | over 200 built: largest local one-design fleet on the South Coast of England[9][10] |
| 1931 | AUS | 12 Square meter Sharpie (dinghy) | 19 ft 8 in (5.99 m) | Kroger Brothers | | | Australia | UK, Netherlands, Germany, Portugal |
| 1931 | Worldwide | Snipe (dinghy) | 15 ft 6 in (4.72 m) | William Crosby | | | Florida West Coast Racing Association | |
| 1932 | USA | Comet (dinghy) | 16 ft 0 in (4.88 m) | Mr. C. Lowndes Johnson | | Chesapeake Bay | | Originally called the "Crab," then the Star Junior before taking on the name Comet |
| 1932 | IRL | Dublin Bay Mermaid | 17 ft 0 in (5.18 m) | John B. Kearney | | | Dublin Bay Sailing Club | |
| 1932 | GBR | British Moth | 11 ft 0 in (3.35 m) | Sydney Cheverton | | | | Active |
| 1934 | USA | Hampton One Design | 0 ft 0 in (0 m) | Vincent Serio | | Hampton YC, Virginia | | [11] |
| 1936 | GBR | Wivenhoe One Design | 15 ft 0 in (4.57 m) | Dr. Walter Radcliffe | Various | Wivenhoe Sailing Club | Wivenhoe One-Design Association | ~19 built, ~16 extant[12] |
| 1937 | GBR | Menai Strait One Design | 20 ft 0 in (6.10 m) | | | | | 17 built, all still extant. Active [9][13] |
| 1938 | GBR | Firefly | 12 ft 0 in (3.66 m) | Uffa Fox | Fairley Marine & Other | | | Active |
| 1938/9 | GBR | Ace (national 18) | 18 ft 0 in (5.49 m) | Uffa Fox | | Whitstable YC | | [2] |
| 1940s | GBR | Fowey River Class | 15 ft 0 in (4.57 m) | Reg Freeman[14] | | | | Active [15] |
| 1945 | USA | Thistle | 17 ft 1 in (5.21 m) | Sandy Douglass | | | | [16] |
| 1949 | Worldwide | GP14 | 14 ft 0 in (4.27 m) | Jack Holt | | | | Active |
| 1951 | GBR | Axe One Design | 12 ft 3 in (3.73 m) | Jack Drew | Jack Drew | Axe Yacht Club, Axmouth | Axe Yacht Club | Some 20 built up to the 1960s; ~7 extant [17][18] |
| 1952 | GBR | Hornet | 16 ft 0 in (4.88 m) | Jack Holt | | | | NB: Restricted Class |
| 1956 | GBR | Enterprise | 13 ft 3 in (4.04 m) | Jack Holt | | | | |
| 1966 | GBR | Estuary OD | 18 ft 0 in (5.49 m) | | Thames Structural Plastics and later E.R. Birch, both of Canvey Island | | | [2] |
| | | Sandweaver 16 | ~16 ft 0 in (4.88 m) | | | | | based on Blakeney one design, in turm was based on an Uffa ACE 18 |
| | IRL | Howth 17 | 0 ft 0 in (0 m) | | | | Ireland | |
| | GBR | Yachting World Dayboat | 0 ft 0 in (0 m) | | | | | Active[19] |
| | GBR | Norfolk Punt | 0 ft 0 in (0 m) | | | | | Active[20] |
| | GBR | SCOW | 0 ft 0 in (0 m) | | | | | |
| | GBR | Bembridge SCOW | 0 ft 0 in (0 m) | | | | | [21] |
| | GBR | Lymington SCOW | 0 ft 0 in (0 m) | | | | | |
| | GBR | Salcombe A Class | 0 ft 0 in (0 m) | | | | | Not Active[22] |
| | | | 0 ft 0 in (0 m) | | | | | |